发明名称 Golf putter having varied striking surface
摘要 A golf putter having a uniquely configured striking surface is claimed. The putter has a striking surface that is twisted between the toe of the putter and the heel of the putter. The loft angle associated with the striking surface of the putter varies from a positive loft angle near the heel to a negative loft angle near the toe. The striking surface of the putter has a midline. The striking surface is twisted about the mid-line. The plane of the twisted striking surface is also slightly curved to eliminate any concave curvatures created by the twist. A non-metallic insert is added to the striking surface. The non-metallic insert has thickness that varies as a function of its position along the mid-line.
申请公布号 US7056227(B2) 申请公布日期 2006.06.06
申请号 US20010844989 申请日期 2001.04.30
申请人 GIRALDI GERALD G 发明人 GIRALDI GERALD G.
分类号 A63B53/04;A63B53/08 主分类号 A63B53/04
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